CONFIG_FAIL_FUNCTION: Fault-injection capability for functions

General informations

The Linux kernel configuration item CONFIG_FAIL_FUNCTION:

• prompt: Fault-injection capability for functions
• type: bool
• depends on: CONFIG_FAULT_INJECTION_DEBUG_FS && CONFIG_FUNCTION_ERROR_INJECTION
• defined in lib/Kconfig.debug
• found in Linux kernels: 4.16–4.20, 5.0–5.19, 6.0–6.12

Help text

Provide function-based fault-injection capability. This will allow you to override a specific function with a return with given return value. As a result, function caller will see an error value and have to handle it. This is useful to test the error handling in various subsystems.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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